UK practice Heatherwick Studio and Dutch studio Barcode Architects have revealed visuals of Oopen, a stacked cylindrical tower topped with landscaped terraces designed for Utrecht's city centre. More about Heatherwick Studio and Barcode Architects unveil design for cylindrical faceted-glass tower
American architect Bill Hellmuth, who designed many projects as president and then CEO of global architecture studio HOK, has passed away aged 69 after a long illness. More about HOK architect and CEO Bill Hellmuth dies aged 69
UK architecture studio Foster + Partners and engineering firm Arup have released designs for a series of stations in California that will serve its high-speed rail line. More about Foster + Partners and Arup design stations for "America's first high-speed rail segment"
Earthy tones and natural textures feature in this nature-informed holiday home, which Athens studio Block722 has arranged down a mountainside in Crete. More about Block722 nestles O Lofos house into Crete mountainside
Dutch studio MVRDV has released visuals of Van Gogh Homeland, an architecture and sustainability biennale launching in the Netherlands, curated by its co-founder Winy Maas. More about MVRDV releases visuals of inaugural Van Gogh Homeland festival
Dezeen has teamed up with design software brand SketchUp to create a new podcast series exploring the role that architects and designers can play in tackling climate change. More about SketchUp and Dezeen launch new podcast series about designing for climate change
A concrete gateway marks the entrance to the Threshold and Treasure art gallery, which architecture studio AMAA has housed in a former print house in Arzignano, Italy. More about Concrete warehouse creates tactile backdrop for Italian art gallery by AMAA
Mexico City-based architect Manuel Cervantes Estudio has designed DIY housing that relies on passive, vernacular construction strategies to "help families build their living spaces in a better and smarter way." More about Manuel Cervantes develops "assisted self-production" housing in Mexico
Slovakian studio Grau Architects has used spruce, plywood and white fabric to build the lantern-like Tea House Pavilion, which offers a place to rest for visitors of Hrabinka Lake in the Czech Republic. More about Grau Architects creates minimalist Tea House Pavilion from local spruce wood
An undulating crown of black and brown steelwork covers The Lucky Club bar, which architecture studio vPPR has positioned on top of the historic Stables Market in Camden, London. More about Wavy steel canopy shelters rooftop bar on historic stables in Camden
Dutch studio Wurck has completed an underwater bicycle park next to Amsterdam's central station, with glossy white interiors submerged nine metres beneath the surface of its famous canals. More about Wurck designs underwater parking garage for 7,000 bicycles in Amsterdam
London studio Francesco Pierazzi Architects has extended a suburban house in Croydon, adding two volumes with carefully-positioned openings that follow the path of the sun. More about Francesco Pierazzi Architects adds light-filled extension to Suncatcher house
Multidisciplinary studio Design ni Dukaan has completed a house in Gujarat, India, with a board-formed concrete exterior walls that wrap the home and define courtyard spaces. More about Design Ni Dukaan wraps "citadel-like" house in curved concrete wall
New York studio Ennead Architects has renovated the Cathedral Church of St John the Divine in Manhattan by adding a batten-seam copper dome that "could last another 100 years". More about Ennead Architects places copper dome on New York cathedral in time for Easter
Mexican practice Espacio 18 Arquitectura has designed a concrete holiday home in Tulum with a circular window in one of the ceilings that reveals a swimming pool. More about Brutalist-style villa by Espacio 18 embodies "natural beauty" of Yucatán Peninsula caves
Japanese architecture studio Kengo Kuma and Associates has added a staggered housing development, which employs construction techniques taken from dams, to a mountainous location in Japan. More about Kengo Kuma nestles staggered housing complex on Japanese hillside
Berlin-based studio Wulf Architekten has unveiled a dark-blue police station wrapped in bands of brass windows in the Bavarian city of Passau, Germany. More about Wulf Architekten creates "strong, yet elegant" police station in Bavaria
Reclaimed bricks and large windows define the side and rear extensions that London practice Rise Design Studio has added to a mid-terrace Victorian house in Queen's Park. More about Rise Design Studio adds reclaimed-brick extensions to Queen's Park House
Canadian design studio Yabu Pushelberg has created the Moxy and AC Hotel in Downtown Los Angeles to encapsulate a variety of references to the surrounding city. More about Yabu Pushelberg references multi-faceted LA culture in conjoined hotels
The latest edition of our Dezeen Debate newsletter features Heatherwick Studio's designs for its first public library, a plant-covered building in Maryland, US. Subscribe to Dezeen Debate now. More about Dezeen Debate features "instant icon" library by Heatherwick Studios